Cambridge Audio 840A Mode, Bass and Treble, Infrared sensor, Input select buttons, Display

840A Class XD integrated amplifier

4Mode

Press to switch between Volume and Balance modes. Press and hold to to enter the 840A system configure menu.

9Bass and Treble

Press to release and rotate to allow subtle adjustments to the tonal balance of the sound.

5Infrared sensor

Receives IR commands from the supplied Azur remote control. A clear unobstructed line of sight between the remote control and the sensor is required.

6& 7 Input select buttons

Push the appropriate input selection button to select the source component that you wish to listen to (highlighted by a solid circle on the display). The signal selected is also fed to the Tape Out sockets so that it may be recorded. The input should not be changed whilst recording (but the recorded signal can be checked using the tape input Tape Monitor).

8Display

LCD used to control the 840A. Please refer to the ‘Operating instructions’ and ‘Amplifier setup’ section of this manual for more information.

10Direct

This control gives the audio signal a more direct path to the power amplifier stage of your amplifier, bypassing the tone control circuits for the purest possible sound quality.

11Volume

Use to increase/decrease the level of the sound from the outputs of the amplifier. This control affects the level of the loudspeaker output, the pre-amp output and the headphone output. It does not affect the Tape Out connections. It is advisable to turn the Volume control fully anti- clockwise before switching the amplifier on.

The Volume control is also used in navigating the 840A System Configure menus on the front panel display.

Please refer to the ‘Operating instructions’ section of this manual for more information on some functions of these buttons.

Azur Class XD integrated amplifier 9